Question

innate immune system principles

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Answer 1

Innate immunity is activated when cells use specialized sets of receptors (Pattern recognition receptor, PRR) to recognize different types of microorganisms (bacteria, viruses, etc.) that have managed to penetrate the host. ... The mechanisms of innate immunity provide the initial defense against infections

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Answer 2

Explanation:

Innate immunity is activated when cells use specialized sets of receptors (Pattern recognition receptor, PRR) to recognize different types of microorganisms (bacteria, viruses, etc.) that have managed to penetrate the host. .The mechanisms of innate immunity provide the initial defense against infections.